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Integrated Science Review
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What are the two categories that make up pure substances?
Elements and compounds
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What is the space above the earth called?
Atmosphere
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What is matter?
Matter is anything that takes up space.
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This image helps to demonstrate which property of air?
Air has mass
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Is the following image an example of elements, compounds or mixtures?
Mixtures
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What is the solvent in the picture?
Water
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This gas is used to help make fertiliser
Nitrogen
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Sandy water is an example of a solution, a colloid or a suspension?
Suspension
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Name one of the other gases that make up the 1% of air.
Argon, carbon dioxide, water vapour, hydrogen, ozone, helium, methane, etc
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This gas is used to help people breathe
Oxygen
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Matter can be broken down into two categories. What are they?
Pure substances or mixtures
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When we breathe in, the rib cage moves down and inwards. True or False?
False
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How many layers make up the atmosphere?
5
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What is breathing?
Breathing is the exchange of gases into and out of our bodies.
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This image helps to demonstrate which property of air?
Air exert pressure
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Mixtures can either be ____________ or ___________.
Homogeneous or heterogeneous
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When we breathe out, the diaphragm moves upward. True or False?
True
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What is the lowest layer of the atmosphere called?
Troposphere
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What is the name of the technique that can be used to identify whether a mixture is a solution or a colloid?
Tyndall Effect
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A hot air balloon uses which property of air to work?
Hot air rises (cold air sinks)
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This image helps to demonstrate which property of air?
Air occupies space.
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Oxygen takes up what percentage of air?
21%
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Name one of the three parts of the respiratory system that helps us to breathe.
Ribs, diaphragm, or intercostal muscles
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What is respiration?
Respiration is the process of releasing energy from food.
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This gas is used in fire extinguishers
Carbon dioxide
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Milk is an example of a solution, colloid or suspension?
Colloid
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Is the following image an example of elements, compounds or mixtures?
Compounds
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The particles of a colloid cannot be distinguished by the naked eye. True or false?
True
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What is the solute in this picture?
Salt
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Which gas can extinguish a lit piece of wood?
Carbon dioxide
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This image helps to demonstrate which property of air?
Air is needed for burning to occur
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Is the following image an example of elements, compounds or mixtures?
Elements
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A glass of koolaid is an example of a solution, a colloid or a suspension?
Solution
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Which gas can rekindle a glowing piece of wood?
Oxygen
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Which gas makes up 78% of air?
Nitrogen
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